3TBH

Crystal structure of O-Acetyl Serine Sulfhydrylase in complex with octapeptide derived from Serine Acetyl Transferase of Leishmania donovani


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3SPXPDB ENTRY 3SPX

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.5289KSCN, PEG 3350, pH 6.5, vapor diffusion, hanging drop, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.1342.31

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 115.217α = 90
b = 62.44β = 90
c = 43.538γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2010-10-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM140.976ESRFBM14

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.68115.2299.59366327.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 3SPX1.68115.2236490179899.590.18640.18470.2202RANDOM21.7077
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
-1.110.260.84
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.725
r_dihedral_angle_4_deg18.3
r_dihedral_angle_3_deg13.324
r_dihedral_angle_1_deg6.731
r_scangle_it6.159
r_scbond_it3.979
r_mcangle_it2.539
r_angle_refined_deg2.478
r_mcbond_it1.589
r_chiral_restr0.183
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.725
r_dihedral_angle_4_deg18.3
r_dihedral_angle_3_deg13.324
r_dihedral_angle_1_deg6.731
r_scangle_it6.159
r_scbond_it3.979
r_mcangle_it2.539
r_angle_refined_deg2.478
r_mcbond_it1.589
r_chiral_restr0.183
r_bond_refined_d0.031
r_gen_planes_refined0.013
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2403
Nucleic Acid Atoms
Solvent Atoms213
Heterogen Atoms1

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data collection